Fomito Godox X1-C TTL 2.4GHz Wireless Radio Flash Trigger X System for Canon 5DIII T6i 700D 650D 7D 6D Cameras,580EXIII 600EX-R Flashes Built-in 2.4G Wireless Transmission for Canon EOS DSLRs. Support for E-TTL autoflash, 1/8000th High-speed sync. Wireless Remote Control and Grouping System( max. 4 groups & 32 channels). 3 fcuntion: Wireless Speedlite Trigger, Wireless Studio Flash Trigger, Wireless Shutter Release. Compatible with E-TTL autoflash, Support all cameras that have PC sync socket.